Tongue papillae capillaries,SEM

Numéro d’image : 11872365
Tongue papillae capillaries,SEM
Tongue papillae capillaries. Coloured scanning electron micrograph (SEM) of a resin cast of capillaries in the papillae of the tongue. Capillaries are the smallest blood vessels. Each upwards projection shows where a capillary extends into a papilla. The papillae project from the tongue's upper surface,giving it its rough texture. The most numerous tongue papillae are the filiform papillae,which do not contain taste buds. It is in the capillaries that nutrients and gases are exchanged with the tongue tissue through the permeable capillary walls. The cast was made by injecting resin into the blood vessels. The surrounding tissues were then chemically digested
Licence : Droits gérés
Crédit: Science Photo Library / Nishinaga, Susumu
Taille de l’image : 2894 px × 3858 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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